Analysis
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max time kernel
154s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
01-08-2022 16:44
Static task
static1
Behavioral task
behavioral1
Sample
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe
Resource
win10v2004-20220721-en
General
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Target
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe
-
Size
557KB
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MD5
8124c9f099c9f63e5c74e50ce88a20f9
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SHA1
8d303d6c8cf8657591c3ef54091ab40ab5040216
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SHA256
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035
-
SHA512
3e767055fcfd00dba37132acbd6a3aa59c89b11ec275308539fce792c7a4c179b7d7b23a04d75b636b065bd3aa7b3d83d3f1e74825c2ab3a69d47e7abed117ce
Malware Config
Extracted
darkcomet
MOTHER_RUSSIA1337
78.241.110.19:1604
DCMIN_MUTEX-59CFP7U
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gencode
L8HhMWNoUZAv
-
install
false
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offline_keylogger
true
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persistence
false
Signatures
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Processes:
resource yara_rule behavioral2/memory/3016-132-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3016-133-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3016-134-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3016-135-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3016-136-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3016-138-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\.NET Framework = "C:\\Users\\Admin\\AppData\\Local\\Temp\\.NET Framework\\.NET Framework.exe" 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exedescription ioc process File created C:\Windows\assembly\Desktop.ini 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe File opened for modification C:\Windows\assembly\Desktop.ini 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exedescription pid process target process PID 4080 set thread context of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe -
Drops file in Windows directory 3 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exedescription ioc process File opened for modification C:\Windows\assembly\Desktop.ini 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe File opened for modification C:\Windows\assembly 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe File created C:\Windows\assembly\Desktop.ini 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exepid process 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exevbc.exedescription pid process Token: SeDebugPrivilege 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe Token: SeIncreaseQuotaPrivilege 3016 vbc.exe Token: SeSecurityPrivilege 3016 vbc.exe Token: SeTakeOwnershipPrivilege 3016 vbc.exe Token: SeLoadDriverPrivilege 3016 vbc.exe Token: SeSystemProfilePrivilege 3016 vbc.exe Token: SeSystemtimePrivilege 3016 vbc.exe Token: SeProfSingleProcessPrivilege 3016 vbc.exe Token: SeIncBasePriorityPrivilege 3016 vbc.exe Token: SeCreatePagefilePrivilege 3016 vbc.exe Token: SeBackupPrivilege 3016 vbc.exe Token: SeRestorePrivilege 3016 vbc.exe Token: SeShutdownPrivilege 3016 vbc.exe Token: SeDebugPrivilege 3016 vbc.exe Token: SeSystemEnvironmentPrivilege 3016 vbc.exe Token: SeChangeNotifyPrivilege 3016 vbc.exe Token: SeRemoteShutdownPrivilege 3016 vbc.exe Token: SeUndockPrivilege 3016 vbc.exe Token: SeManageVolumePrivilege 3016 vbc.exe Token: SeImpersonatePrivilege 3016 vbc.exe Token: SeCreateGlobalPrivilege 3016 vbc.exe Token: 33 3016 vbc.exe Token: 34 3016 vbc.exe Token: 35 3016 vbc.exe Token: 36 3016 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
vbc.exepid process 3016 vbc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exedescription pid process target process PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe PID 4080 wrote to memory of 3016 4080 5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe"C:\Users\Admin\AppData\Local\Temp\5bc54b6f81569e630733498ac48acabc57a1ccdeab90ebe18ee10ae98e18a035.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3016-131-0x0000000000000000-mapping.dmp
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memory/3016-132-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/3016-133-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/3016-134-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/3016-135-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/3016-136-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/3016-138-0x0000000000400000-0x00000000004B7000-memory.dmpFilesize
732KB
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memory/4080-130-0x0000000074D10000-0x00000000752C1000-memory.dmpFilesize
5.7MB
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memory/4080-137-0x0000000074D10000-0x00000000752C1000-memory.dmpFilesize
5.7MB